baber/WOPTO huggingface dataset:
Patent GB-1023730-A (GB)
Title: Gas arc heater
IPC: H05H1/34
Filed: 1965-02-15
Abstract: 1,023,730. Arc gas heaters. WESTINGHOUSE ELECTRIC CORPORATION. Feb. 15, 1965 [March 6, 1964], No. 6370/65. Heading H5H. Two water-cooled cylindrical electrodes 50, 60 with a water-cooled plug 70 at one end and a water-cooled nozzle 71 at the other end (both insulated from the electrodes), form an arcing chamber to heat gas admitted radially from a water-cooled member 13 between the cylinders. Details:-ferromagnetic (steel) parts 31, 51 may surround the electrodes; coils 46, 66 may be D.C. energized in opposition so that field is perpendicular to arc which rotates around cylinders; the plug 70 may be removable for inspection, and to start arc with a " shooting " wire.
Patent GB-452791-A (GB)
Title: Improvements in and relating to directional wireless aerial systems
IPC: H01Q21/10
Filed: 1935-02-28
Abstract: 452,791. Aerials; directive signalling. BLUMLEIN, A. D., 32, Audley Road, Ealing, London. Feb. 28, 1935, No. 6403. [Class 40 (v)] A directional aerial is built up of a series of half-wave elements comprising an inner conductor 1<1> ... 5<1> and an outer sheath 1 ... 5, each element acting as a feeder for the one beyond it. The inner conductor and outer sheath of each successive element are alternately connected together, as shown for instance at 6, 7, 8, 9, so that the radiation from the part that forms the outer sheath is greater than that from the inner or screened conductor. The currents in all the outer elements are substantially in phase. The change-over of the connections between each aerial-element is made through an insulating disc, Fig. 2 (not shown). Alternate elements may be set slightly out of line so as to simplify the change-over connections. In Fig. 4, the outer sheath is replaced by a number of wires 25 and 28, each having a centre conductor 30 and 27 respectively, the change-over connections being taken over slots in a spreader-ring to the centre points 26, 29. A quarter-wave extension 19 may be used at the end of the feed-line 22, 18, as described in Specification 438,506. The aerial shown in Fig. 1 may form part of an extended aerial array.
Patent GB-786515-A (GB)
Title: Improvements in or relating to means for supplying grease under pressure to a lubricator
IPC: F16N5/00
Filed: 1955-03-04
Abstract: 786,515. Lubricating pumps. NEUMAN, C. J. March 5, 1956 [March 4, 1955], No. 6439/55. Class 102(1). A lubricator comprises a low pressure intermediate reservoir which supplies grease to a manually operated high pressure compression cylinder from which the grease is injected through a nozzle. The low pressure reservoir comprises a tube 1, Fig. 1, mounted on a platform 13, which may be a standard oil or grease barrel lid, having a non-return ball valve 6 at the bottom. On raising the piston 2 attached to the plunger tube 5 grease passes the valve 6 and enters the tube 1. The piston 2 is urged downwards by the spring 4 and the grease passes the valve 8 into the plunger tube 5 from where it passes through the outlet 11 and flexible hose 12 to the higher pressure compression cylinder Fig. 2. The lever 22 presses the piston 24 against the spring 26 and grease under high pressure is discharged past non- return valve 27 through the nozzle 29. The nozzle 29 is of conventional construction which contains a release valve which opens when the nozzle is pressed against a grease nipple. The barrel lid 13 is provided with adjustable clamps 17 for fixing to a standard grease barrel.
Patent GB-403541-A (GB)
Title: Improvements in luminous tube signs
IPC: G09F13/26
Filed: 1933-03-03
Abstract: 403,541. Electric discharge tube-signs. NORDEN, M., 327, Central Park West, New York, U.S.A. March 3, 1933, No. 6502. [Class 3 (ii).] In a sign of the kind wherein electric discharge tubes shaped as letters or the like are completely sunk beneath the surface of a base plate, the tubes are laid in grooves wider than the diameter of the tubes and which are moulded or otherwise pre-formed in a base plate or block of insulating material such as plaster of paris. As shown, the sign comprises a box 1 provided with a face plate 2 having pre-formed grooves 3 housing a tube 4, the parts 4a of the tube forming cross-overs or junctions of letters being covered with opaque insulating material 2a. A number of these box signs, each supporting a tube shaped as a letter or the like, may be assembled to form a complete sign.
Patent GB-838383-A (GB)
Title: Gyroscope
IPC: G01C19/00
Filed: 1958-02-28
Abstract: 838,383. Gyroscopic apparatus. STANDARD TELEPHONES & CABLES Ltd. Feb. 28, 1958 [March 5, 1957], No. 6531/58. Class 97(3) In a gyroscope, the rotor is mounted on a ball and socket joint in a rotatable enclosure so as to have at least two degrees of freedom, brake means being provided for securing the ball to the socket to cause the rotor to rotate with the enclosure about the same axis. As shown the rotor has a rim 4 connected by spokes 6, 6a to a ball 5, which is supported by socket members 7, 7a on half-shafts 8, 8a which also support the casing 8. The half-shafts are driven by a motor 13. Drive to the rotor may be by friction, but as it may, in this case, take some time to run up to speed, plungers 14, 14a are provided to rotate with, but to slide within, the halfshafts 8, 8a. Normally, the plungers are held clear of ball 5 by springs 15, 15a, but solenoids 17 are energized to bring the plungers into contact with the ball to drive the rotor until it has run up to speed.
Patent GB-549532-A (GB)
Title: Manufacture of dyestuffs and intermediates therefor
IPC: C09B43/00
Filed: 1941-05-23
Abstract: 549,532. Dyes. HADDOCK, N. H., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. May 23, 1941, No. 6627. [Classes 2 (iii) and 15 (ii)] Azo dyes ; sulphuretted dyes.-Di-xanthato- and di-thiocyano-derivatives of p:p<SP>1</SP>-di-(6- methylbenzthiazyl)-azobenzene are obtained by reaction of a tetrazotized diamino derivative thereof with an alkyl xanthate or an alkali metal thiocyanate. The products may be hydrolysed, e.g. in a dyebath containing sodium sulphide, to the corresponding di-mercaptoderivatives, which are readily oxidized to the corresponding polydisulphides. Bright orange yellow dyeings, fast to severe washing, to chemick and to light, are thus obtainable on cellulosic materials. Examples relate to the reaction of tetrazotized diamino-p:p'-di-(6- methylbenzthiazyl) - azobenzene with (1) and (4), sodium thiocyanate to obtain a product which may be used for dyeing cotton from a sodium sulphide bath or may first be hydrolysed to the dimercapto compound with oxidation of this by dissolved atmospheric oxygen to the polydisulphide before addition to the dyebath ; (2) and (5), potassium ethyl xanthate, the product being used directly for dyeing cotton from a sodium sulphide bath or being first hydrolysed to the dimercapto compounds, which is then oxidized with sodium m-nitrobenzenesulphonate to the polydisulphide ; (3) potassium isopropyl xanthate, the product being used directly or after conversion into the polydisulphide for dyeing as in (2). Diamino - p:p<SP>1</SP> - - di (6 - methylbenzthiazyl) - azobenzene (a) as starting material for Examples (1), (2) and (3) is obtained by reducing with sodium sulphide the dinitro compound obtained by oxidation of nitro-dehydrothio-p-toluidine with sodium hypochlorite in ethyleneglycol monoethyl ether, (b) as starting material for Examples (3), (4) and (5) is obtained by similar reduction of the product of di-nitration of p:p<SP>1</SP> - di - (6 - methylbenzthiazyl) - azobenzene, obtained by oxidation of dehydrothio-p-toluidine.
Patent GB-377918-A (GB)
Title: Submarine communication cable plant with high attenuation and repeaters
IPC: H04B3/00
Filed: 1932-03-05
Abstract: 377,918. Long-distance transmission. SIEMENS & HALSKE AKT.. GES., Siemensstadt, Berlin. March 5, 1932, No. 6702. Convention date, March 5, 1931. [Class 40 (iv).] In a submarine cable system in which the main amplifiers are located at special repeater stations some distance from the shore, disturbance due to noise currents picked up between the landing place and a repeater station is reduced by the insertion of a preliminary amplifier in the immediate vicinity of the landing place, e.g. in the hut employed for connecting the line and submarine cables or in the shallow water near the landing place. In the former case, the amplifier is preferably fed with direct current over shielded conductors. Amplifiers in the shallow water are mounted in containers which may be floating, suspended, or resting on the sea bottom, and are supplied with energy over a separate supply line or over a conductor within the cable. The operative condition of the amplifiers may be controlled by means of impulses transmitted over the supply or communication circuits.
Patent GB-876485-A (GB)
Title: Improvements in or relating to hydrogenation
IPC: C10G45/36
Filed: 1958-03-03
Abstract: The gum stability of gasolines is improved by hydrogenating over a nickel catalyst supported on a carrier having lower polymerisation and cracking activity than gamma alumina under conditions such that the hydrogen consumption is at least 60 SCF/barrel.  The gasoline may boil in the range 15-200 DEG C. and is preferably debutanised and free of hydrogen sulphide.  It may be a petroleum distillate or one obtained by a steam cracking process favouring the production of olefins, e.g. at 1100-1400 DEG F. and 0-50 p.s.i.g.  The hydrogenation may be effected at 0-200 DEG C., 0-1000 p.s.i.g., and LHSV of about 2, and a gas rate of 300-700 SCF/barrel with a hydrogen consumption of 60-140 SCF/barrel.  An octane loss of less than 1 (Research clear) is preferred. Specified catalyst supports are CaO, BaO, SrO, MgO, CaCO3, BaCO3, SrCO3, MgCO3, diatomaceous earths or fire brick derived therefrom, silicon carbide, quartz, charcoal, graphite, pumice or deactivated alumina.  Nickel in elemented form may constitute 1-60% by weight of the catalyst.  Specification 848,232 is referred to.
Patent GB-625951-A (GB)
Title: Improvements in or relating to alternating current electric motor equipments
IPC: B66B1/12
Filed: 1947-03-11
Abstract: 625,951. Control of A.C. motors. GENERAL ELECTRIC CO., Ltd., and FRIEDLANDER, E. S. March 11, 1947, No. 6766. Drawings to Specification. [Class 38(iii)] The subject-matter of this Specification is substantially the same as that described in Specification 625,950, but the claims relate to an alternating-current motor equipment including a wound rotor induction motor arranged for dynamic braking and a load circuit or circuits arranged to be connected with the generating winding during both motoring and braking, wherein a single means operating in dependence upon the speed of the said motor is arranged to operate further means adapted to control the impedance of the said load circuit or circuits both during motoring and braking in such a manner as to produce, with a constant value of current in the exciting winding during braking and with a constant alternating voltage across the said winding during motoring, a torque that is substantially constant or follows a predetermined torque/speed characteristic. Specification 613,856 also is referred to.
Patent GB-1475210-A (GB)
Title: Articulated toy figure
IPC: A63H3/46
Filed: 1975-02-18
Abstract: 1475210 Articulated toy figures A E GOLDFARB and E DENKOE 18 Feb 1975 [19 Feb 1974] 6777/75 Heading A6S A toy figure, e.g. made of plastics, has a torso 11 with a flat lower end against which is pivoted a flat hip plate 20 from whose lower side depend tabs 23, 24, a pair of legs being pivoted on the tabs 23, 24, and a pair of arms 16, 17 being pivoted to the torso 11. The torso 11 may be hollow and made in two halves joined by a seam 11a, the pivoting of the arms 16, 17, hip plate 20, and a head 14 being produced by pins 16b, 17b, 26, 14b passing through holes in the torso 11 and terminating in knobs 16a, 17a, 25, 14a. The legs have upper and lower portions 33, 32, 43, 42, the upper portions having rounded bifurcated upper ends 33a, 32a that fit over the tabs 23, 24, lateral projections 23a, 24a on the tabs 23, 24 fitting into mating recesses 33b, 32b in the upper ends 33a, 32a, to provide pivots. The upper ends 33a, 32a of the legs are slotted (33e, 32e, 33d 32d, Fig. 6, not shown) at the front and rear to allow movement, the slots at the rear being shorter than those at the front to limit rearward leg movement to the vertical position only but allowing forward movement to a horizontally extended position. Knee joints are provided similarly to the hip joints, bifurcated end portions 33c, 32c of the upper leg portions 33, 32 fitting over reduced end portions 43a, 42a of the lower leg portions 43, 42 with projections 43b on the ends 43a, 42a of the lower legs fitting mating recesses in the ends 33c, 32c of the upper leg portions 33, 32.
Patent GB-318461-A (GB)
Title: Devices for closing the lids of boxes
IPC: B65B7/26
Filed: 1929-03-01
Abstract: 318,461. Universelle Cigarettenmaschinen-Fabrik J. C. M³ller & Co., and Voigt, W. March 1, 1929. Packeting cigarettes in boxes.-The lids D of cigarette and like boxes, fed along a track or by an endless band a, are closed by a curved projection c. According to the invention, means are provided for ensuring that the flange of the lid properly embraces the front edge k of the rim Z of the body portion of the box. As the box moves into the position shown in broken lines, and the lid is nearly closed by the member c, a pivoted pressing device d is urged by a spring f to engage the upper edge h of the hinged wall of the lid. This causes the lid to be pressed leftwards relatively to the box sufficiently to ensure that the forward flange i is in the correct position to engage the edge k of the rim Z. During the further travel of the box, the member d rides over the lid, and, with a rear projection c<1> of the member c, ensures complete closure of the lid. In a modification, the pressing device is mounted on the band, and is brought into the operative position by a guide rail. In another modification, the boxes are fed along a fixed track and a roller on a spring-urged link engages the pa.rt h.
Patent GB-581020-A (GB)
Title: Improvements in watch or like stands
IPC: A47F7/02
Filed: 1944-04-13
Abstract: 581,020. Watch &c. stands. WINEBERG, R. April 13, 1944, No. 6790. [Class 52 (v)] A stand for displaying watches or the like comprises a front plate or frame 1 having a display aperture 2 and a back clamping plate 5 spaced from the front plate and adapted to grip a watch located between the plates. The front plate has a bent-up foot piece 4 with slots 8 in which slide tongues 7 bent up from a base piece 6 of the back plate 5. Edge flanges 9 on the back plate support packing 10. The back plate may be supported by spring arms projecting inwardly from the side flanges 12a of the front plate, the base piece 6 being omitted.
Patent GB-942023-A (GB)
Title: Actuating mechanism for the friction wheel of a pyrophoric lighter
IPC: F23Q2/08
Filed: 1961-02-24
Abstract: 942,023. Pyrophoric lighters. THORENS S.A. Feb. 24, 1961 [March 4, 1960], No. 6891/61. Heading F4F. An actuating mechanism for the friction wheel 1 of a pyrophoric lighter comprises an actuating lever 17 connected to a driving lever 30 which operates a spring-loaded tumbler device driving a stirrup 8 coupled to the friction wheel 1 by a one-way coupling 9. The stirrup 8 and the actuating lever 17 are pivotally mounted together with the friction wheel 1 on a screw 5. The tumbler device comprises a coupling element 11 pivotally connected at one end to the stirrup 8 by pins 12, 13 and slidably mounted at the other end on a pin 16 on the lever 17. A coil spring 27 within the coupling element 11 abuts the pin 16 and a pin 28 secured to the element 11. The driving lever 30 is pivoted on a pin 25 and has parallel arms 31, 32 formed with fingers 41, 42 for engagement with the ends of the pin 28. When the actuating lever is depressed against the action of a spring 22, a pin 35 engaging slots 33, 34 rotates the driving lever 30, whereupon the fingers 41 engage the pin 28 to cause anticlockwise rotation of the stirrup 8 and compression of the coil spring 27. When the pins 12, 13 pass through an equilibrium position the spring 27 extends to rotate the stirrup 8 and the friction wheel 1 rapidly. The spring 22 restores the mechanism to its initial position when the actuating lever 17 is released. A pyrophoric stone 36 is pressed against the friction wheel 1 by a spring 38 and an arm 45 is provided on the lever 17 for actuating a gas valve.
Patent GB-493696-A (GB)
Title: Preparation of cellulose xanthate solutions
IPC: A01N25/34
Filed: 1937-03-09
Abstract: Cellulose fibre is treated with caustic soda solution containing oxidant in sufficient amount to cause reduction of the solution viscosity of the pulp to a value below 1,0 and the treatment is continued for a sufficient period of time to yield a fibre having an alpha cellulose content of 87-93 per cent, a b -cellulose content of 6-12 per cent and a viscosity of less than 1,0.  The product can be used for the manufacture of viscose by simple admixture with caustic soda solution and carbon disulphide.  The amounts of caustic soda and water are preferably such as to yield a viscose containing about 6 to 10 per cent each of caustic soda and cellulose.  In an example, bleached sulphite pulp is treated at a consistency of 4-10 per cent with a solution of caustic soda of upwards of 6 per cent strength containing an oxidant, e.g. 8-15 per cent of sodium hypochlorite. The treatment is carried out at 35-45 DEG  C. for 2-4 hours, after which it is washed.  The product may be converted directly to viscose using, for example, the one-step process described in Specification 468,993.  In another example, pulp chips consisting of pulp having 90 per cent of alpha cellulose, 9 per cent of b -cellulose, 2 per cent of g -cellulose and a solution viscosity of 0,3, are wetted with 16 per cent caustic soda solution in amount to provide the chips with a cellulose-caustic soda ratio of 7 to 6.  The chips are then disintegrated, e.g. in the apparatus described in Specification 474,707, [Group II], and the salve-like mass is treated with 33 per cent of carbon disulphide and 0,01 per cent of pine oil calculated on the dry cellulose.  The mass is mixed and water finally added to give a viscose containing 7,4 per cent of cellulose and 6,7 per cent of caustic soda.  The xanthation may be conducted in the presence of caustic soda solution of 20 per cent or greater strength, and the solution diluted to the required cellulose and caustic soda content. The Specification describes in detail a method for determining the "filterability" of viscose solutions.  Specification 475,925 also is referred to.
Patent GB-538073-A (GB)
Title: Improvements relating to conveyors
IPC: B65G17/20
Filed: 1940-04-17
Abstract: 538,073. Chain conveyers. NEW CONVEYOR CO., Ltd., and SMITH, J. V. April 17, 1940, No. 6944. [Classes 78 (i) and 104 (ii)] In a conveyer in which carriers for goods are supported by hangers d which have rollers running on an overhead rail f and are connected and moved along the rail by a power-driven chain j, the chain links i are pivoted at k to the hanger and adjacent ends of the links are interconnected by means for causing an angular movement of either link to be accompanied by movement of the hanger about the pivot of the other link, in order to keep the hanger at right angles to the rail. As shown, the adjacent ends of the links have pairs of interengaging toothed sectors m housed between a pair of plates forming the hanger, and a trip-operating rod n is housed between each pair of sectors. In modifications, (1) a single tooth on one link engages between a pair of teeth on the other ; (2) a pin-and-slot connection is provided between overlapping extensions of the links ; and (3) each link is connected by another link to a member slidable vertically between the hanger plates. Trip mechanism for effecting the discharge movement of the goods carrier is enclosed in a housing h carried by arms g on the hanger and is actuated by the rod n, which is connected to a lever o operable by ramps p on the rail f.
Patent GB-586923-A (GB)
Title: Improvements in telescope observation instruments
IPC: G02B23/00
Filed: 1944-04-14
Abstract: 586,923. Binoculars. BARR & STROUD, Ltd., and FRENCH, Sir J. W. April 14, 1944, No. 6959. [Class 97 (i)] To enable a binocular observation instrument, hinged for adjustment of interocular distance, to have rectangular fields, whereby diminution of the observable skyline at the top' and bottom of the field of view is avoided, means are provided for rotating one or both fields in order that they may be oriented into correspondence for all settings of the interocular adjustment. The field of each limb may be square, with rounded corners as shown in Fig. 5, and marginal and other markings may be carried upon a transparent plate, or a metal or other opaque frame A may be pierced as at 19 and 20 to provide daylight scales, e.g. for ranging, and may have self-luminous scales 21 and 22 for night use. All the optical elements may be rectangular, or the objectives and eyepieces may be circular provided they are of sufficient diameter to cover the corners of the field. The margins of the field may be capable of rotation with the eye-pieces by means of knobs. 17, Fig. 7, orientation being achieved either by adjusting the pointers 16 to the correct setting according to a scale associated with the hinge, or by bringing the luminous marks 23, 24, 25 and 26, Fig. 5, into coincidence.
Patent GB-829094-A (GB)
Title: Production of uranium peroxide
IPC: C01B15/047
Filed: 1946-03-06
Abstract: Uranium peroxide is precipitated from an aqueous uranyl salt solution, particularly the sulphate, containing magnesium and fluorine, by effecting the precipitation in the presence of a substantial amount of ammonium sulphate, which holds fluorine in solution and improves the crystalline form of the uranium peroxide obtained.  Aqueous uranyl sulphate starting solutions preferably contain between 3 and 16% of uranyl sulphate and between 1 and 2 1/2 mols. of ammonium sulphate are added for each mol. of uranyl sulphate.  The pH is preferably between 2 and 4 and sufficient hydrogen peroxide or alkali metal peroxide is then added to precipitate the uranium peroxide, the pH of the solution being adjusted by acid or alkali during the precipitation.  The precipitation should be effected below 65 DEG  C. and preferably at at least 30 DEG  C., and the crystalline uranium peroxide formed should be separated from the solution promptly to avoid fluorine contamination.  According to examples: (1) slag obtained in the production of uranium metal by reduction of uranium tetrafluoride by magnesium was air roasted and treated with dilute sulphuric acid. Hydrogen peroxide was added to convert tetravalent uranium to hexavalent and calcium carbonate was added to bring the pH to 3.7. The mixture was maintained at 85 DEG  to 90 DEG  C. and then filtered; the filter cake washing and filtrate were combined to provide an uranyl sulphate starting solution.  Ammonium sulphate was added and the pH adjusted to 2.9 with caustic soda solution. Precipitation of uranium peroxide was effected with aqueous hydrogen peroxide.  (3) a uranyl sulphate solution obtained by calcining uranium dross containing magnesium and fluorine, with quick lime, digesting the calcined product in aqueous sulphuric acid at 90 DEG to 95 DEG  C., neutralizing with calcium carbonate to a pH of 3.5 and filtering, was used as the starting solution.  Ammonium sulphate was added and the solution was acidified to pH 3 with dilute sulphuric acid and cooled to 40 DEG  C.  After filtering 27.5% hydrogen peroxide solution was added beneath the surface during which addition the pH fell to 1.5; aqueous ammonium hydroxide was added to restore the pH to 3.  Precipitated uranium peroxide was separated from the mother liquor by centrifuging and after washing with distilled water at 60 DEG  C. contained less than 0.2% of fluorine.  Specifications 829,088 and 829,091 are referred to.